NSN 6625-01-479-1643
Part Details | FREQUENCY CALIBRATOR
6625-01-479-1643 An item which generates a highly accurate signal of one or more fixed frequencies for calibration of frequencies from other sources. Does not include OSCILLATOR (as modified). For devices which are designed as voltage sources, see GENERATOR, SIGNAL. See also FREQUENCY METER.
Alternate Parts: 346B ADD3, 6625-01-479-1643, 01-479-1643, 6625014791643, 014791643
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | OCT 13, 2000 | 01-479-1643 | 00860 ( CALIBRATOR, FREQUENCY ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6625-01-479-1643
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 346B ADD3 | 55432 | TRIG-TEK INCORPORATED |
Technical Data | NSN 6625-01-479-1643
| Characteristic | Specifications |
|---|---|
| INDIVIDUAL CHANNEL QUANTITY | 2 |
| INDIVIDUAL CHANNEL FREQUENCY | 0.1 KILOHERTZ MINIMUM AND 99.0 KILOHERTZ MAXIMUM |
| FREQUENCY ACCURACY IN PERCENT | P0.005/P0.010 |
| INTERNAL CALIBRATION CRYSTAL | INCLUDED |
| AC VOLTAGE RATING | 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL |
| FREQUENCY RATING | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM |
| PHASE | SINGLE |
| INTERNAL BATTERY ACCOMMODATION | NOT INCLUDED |
| OVERALL LENGTH | 19.000 INCHES NOMINAL |
| OVERALL WIDTH | 13.000 INCHES NOMINAL |
| OVERALL HEIGHT | 3.500 INCHES NOMINAL |
| SPECIAL FEATURES | MFG NAME IS SYNTHESIZED CALIBRATOR. THE PMEL'S USING THE 346B, (6625-01-424-2124) THESE CALIBRATORS ARE BEING UPGRADED. THIS UPGRADE ADDS A DIFFERENTIAL PICOCOULOMB OUTPUT TO THE CALIBRATOR, WITH THIS UPGRADE (ADD3) YOU CAN STORE 24 DISTINCT SETUPS EACH HAVING 31 SETTINGS OF FREQUENCY, AMPLITUDE AND DWELL TIME |
| END ITEM IDENTIFICATION | THIS SYNTHESIZED CALIBRATOR(346B ADD3) IS PART OF THE A/M99T-2, CALIBRATION TRAILER |
| FUNCTIONAL DESCRIPTION | THE A/M99T-2 CALIBRATION TRAILER IS USED TO CALIBRATE THE VIBRATION MONITOR/ANALYZERS THAT ARE USED IN THE A/M37T2 JET ENGINE TEST STAND |